Oslo City FC was one of 494 clubs from Norway that had teams playing during Norway Cup 2018. They participated with one team in Boys 11 years - born 2007 - 3v3.

In addition to Oslo City FC, 13 other teams played in Boys 11 years - born 2007 - 3v3. They were divided into 2 different groups, whereof Oslo City FC Real could be found in Group 2 together with Drøbak-Frogn IL DFI Blå, Drøbak-Frogn IL DFI Hvit, Drøbak-Frogn IL DFI Sort, Korsgård IF, Bækkelagets SK Gul, Bækkelagets SK Superstars2 and Bislett FK 1.

Oslo City FC originates from Oslo, which is the same city as where Norway Cup takes place. The area around OSLO does also provide 103 additional clubs participating during Norway Cup 2018 (Among others: Gjelleråsen, Bøler IF, Lørenskog, Lindeberg SK, Bislett FK, Ullensaker/Kisa, Teisen IF, Tveita IL, Frigg Oslo FK - Fotball and Øvrevoll Hosle IL).